The engine crankcase and block are usually cast into one piece and therefore can be seem as the largest and most intricate piece of metal in automobile.
发动机曲轴箱和气缸体通常铸造成为一体，因此算作汽车中最大且最复杂的金属结构。
The engine block for DF 4C diesel locomotives uses cast welding structure.
东风4C型机车柴油机机体采用铸焊结构。
The design was placed on paper, but the engineers agreed, to a man, that it was simply impossible to cast an eight-cylinder engine-block in one piece.
设计的纸上作业完成了，但是工程师们都异口同声地跟福特说，“要把八个汽缸全放在一起，压根是不可能。”
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